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io_uring: hide iter revert in resubmit_prep
authorPavel Begunkov <asml.silence@gmail.com>
Mon, 22 Mar 2021 01:58:33 +0000 (01:58 +0000)
committerJens Axboe <axboe@kernel.dk>
Sun, 11 Apr 2021 23:41:59 +0000 (17:41 -0600)
commitab454438aa8dc9eb113df7d00f2cf9ec628a26ce
tree90831c56d6cb0456a640b8c34e21b6962d6ef4b5
parent8c130827f417da791edb919df8cac56af30a1489
io_uring: hide iter revert in resubmit_prep

Move iov_iter_revert() resetting iterator in case of -EIOCBQUEUED into
io_resubmit_prep(), so we don't do heavy revert in hot path, also saves
a couple of checks.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c